The Strategic Petroleum Reserve held 282.7 million barrels on October 16, the lowest since 1982 and 30.8 percent below a year earlier, according to Energy Information Administration data. It has lost about a third of its volume since the March release began.
On October 17 the Energy Department authorized emergency exchanges of up to 4 million barrels for ExxonMobil and BP America to ease hurricane-driven supply disruptions in the Gulf of Mexico. The last 40 million barrels ship in November and December. EPRINC expects that to leave the reserve near 245 million, under the 252.4-million-barrel floor for routine drawdowns.
Why it matters
At a 44-year low, the US emergency oil buffer has little left to calm prices if a hurricane or Middle East shock hits.
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Key Indicators
282.7 million barrels
SPR level, week ending Oct. 16, 2026
Down 0.1 percent in a week and 30.8 percent from a year earlier. Lowest since 1982 and about 40 percent of the reserve's 714-million-barrel capacity.
132.7 million barrels
Decline since late February 2026
Reserve fell from 415.4 million barrels (week ending Feb. 27) to 282.7 million in the week ending Oct. 16.
252.4 million barrels
Legal floor for routine drawdowns
Federal law bars routine releases below this level. The reserve sits about 30 million barrels above it.
4 million barrels
Hurricane exchange authorized Oct. 17
Up to 2 million barrels each for ExxonMobil and BP America; the oil comes back with premium barrels in 2027.
13 events
Latest: October 17th, 2026 · 4 weeks ago
Showing 8 of 13
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October 2026
Energy Department authorizes 4-million-barrel hurricane exchange
LatestPolicy Decision
Up to 2 million barrels each for ExxonMobil and BP America to address Gulf of Mexico supply disruptions from severe weather. Companies return the crude with premium barrels in 2027, which the department says saves taxpayers millions.
SPR falls to 282.7 million barrels
Data
Down 0.1 percent week on week and 30.8 percent from 408.6 million barrels a year earlier, extending the run at the lowest level since 1982.
IEA members agree to accelerate pledged releases
Policy Decision
Member governments backed finishing deliveries under the March 2026 collective action as soon as possible and prioritizing diesel, a market that had tightened. JPMorgan analysts, as reported by Reuters, read it as an acceleration of barrels already promised, not a new release.
Bids due for final 40-million-barrel exchange
Policy Decision
Deadline for companies to bid on borrowing up to 40 million barrels from the Big Hill and Bryan Mound sites. This solicitation completes the 172-million-barrel release authorized in March.
SPR drops below 283 million barrels
Data
EIA weekly data put the reserve at about 283 million barrels, down roughly 0.8 million from the prior week, continuing the slide to the lowest since 1982.
September 2026
DOE issues solicitation for final 40-million-barrel exchange
Policy Decision
Request for Proposal for up to 40 million barrels from Big Hill and Bryan Mound sites; bids due October 6. This completes the 172-million-barrel presidential release.
SPR falls to 283.8 million barrels, lowest since October 1982
Data
EIA weekly data shows the reserve dropped 0.8 million barrels from the prior week, extending the decline streak to 27 consecutive weeks.
25 straight weekly declines; reserve at 285.0 million
Data
Longest continuous drain since February 2022, among the most aggressive in the reserve's 44-year record.
SPR hits lowest level since 1982
Data
EIA reports 285.4 million barrels, down 1.2 million from the prior week; 24th consecutive weekly decline.
June 2026
Reserve falls below 340 million barrels
Data
Drawdown running near 8-9 million barrels per week, roughly 1.2 million per day, with no pause for the ceasefire.
March 2026
First weekly decline recorded
Data
Reserve begins falling as exchange deliveries start; drawdown pace averages 5.6 million barrels per week.
Trump authorizes 172-million-barrel release
Policy Decision
DOE ordered to release crude as exchanges over roughly 120 days, part of a 400-million-barrel IEA collective action amid the Strait of Hormuz disruption.
February 2026
Reserve holds at 415.4 million barrels
Data
SPR level unchanged through late winter; no drawdown had begun.
Scenarios
1
Reserve breaches the 252.4-million-barrel legal floor
Possible
Resolves by Jan 31, 2027
Discussed by: Reuters, The Vault Report
If exchange draws continue at the current pace with no repayment offset, the reserve falls below the legal minimum for routine drawdowns within roughly six weeks. Law requires the president to halt routine releases at that point, effectively disabling the emergency tool. A Government Accountability Office report also flags aging wells and maintenance backlogs, and an engineer quoted by Reuters warns caverns and pumps could be damaged below 300 million barrels.
2
Exchange program ends, reserve stabilizes above 280 million
Uncertain
Resolves by Q2 2027
Discussed by: Energy Network Media Group (shalemag.com), The Vault Report
If the exchange schedule concludes without new disruptions and companies begin returning borrowed crude, the reserve stops falling and holds near current levels. The drawdown already ignored the ceasefire, so this requires the exchange program to finish as scheduled and no new emergency to trigger additional authorization.
3
Full exchange repayment rebuilds the reserve toward 350 million
Unlikely
Resolves by End of 2028
Discussed by: Reuters
Companies repay the 172 million barrels they borrowed, plus premium barrels, through late 2028 as scheduled. If oil flows through the Strait of Hormuz remain stable and no new emergency arises, the reserve could climb back toward 350 million barrels. Reuters reports full repayment is not expected until late 2028.
4
Final tranche delivery drops the reserve below the legal floor
Possible
Resolves by End of 2026
Discussed by: EPRINC (Energy Policy Research Foundation)
EPRINC projects that full delivery of the final 40-million-barrel tranche would leave the reserve at roughly 245 million barrels, below the 252.4-million-barrel floor that EPCA sets for limited routine drawdowns. Emergency releases like this one are not bound by that threshold, but it marks the level Congress treated as the working minimum outside a severe crisis.
Historical Context
3 moments from history that rhyme with this story — and how they unfolded.
1 of 3
August 1990 - March 1991
Gulf War emergency release (1990-1991)
Iraq invaded Kuwait in August 1990, removing roughly 4.3 million barrels per day from world markets. The US tapped the SPR — created after the 1973-74 oil embargo — selling about 33.75 million barrels over several months to steady prices during Operation Desert Storm.
Then
Prices stabilized and the emergency release ended as the war concluded.
Now
Established the precedent for using the SPR as a market-calming tool during geopolitical supply disruptions.
Why this matters now
The 1991 release was the first full-scale SPR drawdown. The 2026 Hormuz release is the sixth and largest IEA collective action in the agency's history, but it is structured as exchanges, not sales — so the buffer empties faster than it can refill.
2 of 3
March 2022 - July 2023
Russia invasion drawdown (2022)
After Russia invaded Ukraine, President Biden authorized the largest sale-based SPR release in history: 180 million barrels over six months, with additional congressionally mandated sales. The reserve fell from about 580 million barrels in early 2022 to roughly 347 million by mid-2023.
Then
The releases dampened gasoline price spikes but drew bipartisan criticism for depleting the reserve ahead of a possible emergency.
Now
The reserve never fully refilled; it entered 2026 well below its 726.6-million-barrel peak, amplifying the impact of the newer drawdown.
Why this matters now
The 2026 drawdown compounds an incomplete recovery from 2022. The two episodes together hollowed out roughly 440 million barrels from the reserve's peak in under five years.
3 of 3
1973 - 1975
Energy Policy and Conservation Act / SPR creation (1975)
The 1973-74 Arab oil embargo quadrupled oil prices and triggered long gas lines across the US. Congress passed the Energy Policy and Conservation Act in 1975, establishing the Strategic Petroleum Reserve in salt caverns along the Gulf Coast.
Then
The first crude was stored in 1977; the reserve grew steadily, exceeding 600 million barrels by 1990.
Now
The reserve became the world's largest emergency oil stockpile, with 726.6 million barrels at its 2009 peak, designed to cushion supply shocks of up to 90 days.
Why this matters now
The reserve's legal framework — including the 252.4-million-barrel floor for routine drawdowns — dates to this founding legislation. That floor is now roughly six weeks of current drawdown pace away.
